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#4803989 - 07/03/18 01:07 PM Michelin Defender treadlife issue, again
nthach Offline


Registered: 01/02/04
Posts: 3992
Loc: California
I was under the impression Michelin fixed the treadlife issue with the Defender series midway in their production span. I'm seeing some shoulder wear with a set of the Costco version, made in 2015 at Michelin's Italian plant.

I took the van in question to Firestone for an alignment and they've noted 5/32" of wear, more so on the shoulders. The van has about 26-27K on this set. The previous Michelin X Radial DTs lasted almost 60K, they still had plenty of life left but I made the decision to take them out of service due to the fact they were almost 10 years old with signs of excessive cracking.

The van will be going back to Costco for rotation and balance, I'll ask them about this. I understand minivans are hard on their tires, but either Michelin hasn't really fixed this issue or that Firestone's pulling my leg? At least the local store did quote me for 2 Firestone All Seasons instead of their usual Primewell push if I wanted to replace the tires in question.

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#4803997 - 07/03/18 01:09 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
Nick1994 Offline


Registered: 02/19/13
Posts: 10297
Loc: Phoenix, AZ
Sounds like tire pressure should be bumped up.
_________________________
2015 Hyundai Sonata 2.4L 81k Mobil 1 AFE 0w30 & OEM
2000 Toyota Camry 2.2L 229k Valvoline & Fram Ultra
1996 Jeep Cherokee 4.0L 146k Mobil 1 HM 10w40 & Fram Ultra

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#4803998 - 07/03/18 01:10 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
InhalingBullets Offline


Registered: 08/07/12
Posts: 537
Loc: TEXAS
Let me guess, Chrysler Minivan?
_________________________
'16 Toyota Prius 4
'15 Ram 2500 Megacab Diesel
'14 Victory Cross Country Tour
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#4804008 - 07/03/18 01:35 PM Re: Michelin Defender treadlife issue, again [Re: InhalingBullets]
nthach Offline


Registered: 01/02/04
Posts: 3992
Loc: California
Originally Posted By: InhalingBullets
Let me guess, Chrysler Minivan?

Toyota Sienna.

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#4804010 - 07/03/18 01:36 PM Re: Michelin Defender treadlife issue, again [Re: Nick1994]
nthach Offline


Registered: 01/02/04
Posts: 3992
Loc: California
Originally Posted By: Nick1994
Sounds like tire pressure should be bumped up.

I've kept the air pressure at 35-37PSI. There is a slow leak from one tire I'm having Costco figure out.

I've showed my dad how to use a pressure gauge but I'm not sure if he's complying.

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#4804017 - 07/03/18 01:46 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
mightymousetech Offline


Registered: 04/03/17
Posts: 1478
Loc: Ontario, Canada
Seems like the regular Defenders don't last too long on heavy vehicles.
_________________________
Mighty Mouse Tech
BMW Tech, Former Acura Tech
2010 Civic Si Castrol 0W40, Redline MTL
2013 BMW 135i M Sport Edition Castrol 0W40, Redline MTL

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#4804023 - 07/03/18 01:52 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
JLTD Offline


Registered: 12/15/17
Posts: 836
Loc: US
Shoulder wear...agree with Nick1994; the pressure is too low and the edges are wearing.

Some tires flex more than others and require higher pressure for the same footprint; what is the max inflation on the tire? Probably 45....try 42 psi for about 4-5000 miles and report back.
_________________________
Hers: 2008 Jeep Liberty 135k, AMSOIL SS 5w30/same

His: 2015 4Runner SR5 1GR-FE 39k, AMSOIL OE 5w20/Wix

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#4804028 - 07/03/18 02:07 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
dmack2 Offline


Registered: 09/03/14
Posts: 33
Loc: NH
I just put a set of Defenders on my 17 Sienna. Did I make a mistake?
_________________________
17 Toyota Sienna,30K,TGMO 0W20
13 Avalon Hybrid,91K, TGMO 0W20
99 Sierra 4X4 5.3, 130K, M1 0W40
50 Ford Woody FH V8, 29K, MS HM 10W30


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#4804040 - 07/03/18 02:21 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
Kawiguy454 Offline


Registered: 06/01/15
Posts: 597
Loc: Arizona
+1 more air ...over 40 PSI ...wear will slow down and you may get better mileage too. Or you could follow the door sticker like an owners manual lemming and wear them out quickly and blame the tires.

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#4804041 - 07/03/18 02:23 PM Re: Michelin Defender treadlife issue, again [Re: Kawiguy454]
rooflessVW Offline


Registered: 12/24/11
Posts: 4326
Loc: North Carolina
Originally Posted By: Kawiguy454
+1 more air ...over 40 PSI ...wear will slow down and you may get better mileage too. Or you could follow the door sticker like an owners manual lemming and wear them out quickly and blame the tires.

Hmm...

If I follow the door jamb sticker I wear out the center of my tires.

If I follow my owner's manual I get perfect wear.
_________________________
"Zed's dead baby, Zed's dead."

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#4804046 - 07/03/18 02:29 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
krzyss Offline


Registered: 02/18/12
Posts: 387
Loc: MA, USA
My 2003 VW Passat never wore the tires properly when inflated per the sticker, mind you there were numbers for half load, full load and below 100mph and above - 4 set of numbers.
Rears called for something like 29 at lowest setting. 2 sets of aftermarket tires wore like this (both shoulder wear indicating underinflation).
After I started using 35 psi all around the wear was normal on subsequent sets.

Maybe you suffer from underspec'ed pressures?

Krzys

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#4804056 - 07/03/18 02:40 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
nthach Offline


Registered: 01/02/04
Posts: 3992
Loc: California
Hmm, I'm thinking pressures are at play - after I get the rotation and balance done at Costco, I'll air up the tires to 38psi. Toyota calls for 35, 44psi is the max pressure per Michelin at full load.

There has to be a way to find out the sweet spot by looking at the tire footprint after driving the car on a wet surface.

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#4804161 - 07/03/18 03:57 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
WobblyElvis Offline


Registered: 09/23/14
Posts: 1386
Loc: Toronto Canada
I have the same tires from Costco on my 06 Malibu. It weighs 3,250 lbs. Same problem. Wearing quickly most noticeably on the shoulders. I keep them above the recommended pressure and have recently gone even higher. Right now they are riding like rocks. Not worth it. I wouldn't recommend them. Asked Costco if they have any complaints and I got a brainless stare in reply.

If you don't wait in line for 1 hour for a balance and rotation every 12,000 km or 7,500 miles you have no tread wear warranty. I might get 55,000 miles out of these 90,000 miles tires.

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#4804171 - 07/03/18 04:10 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
WhyMe Offline


Registered: 12/18/12
Posts: 548
Loc: Washington for now
Originally Posted By: nthach
Originally Posted By: Nick1994
Sounds like tire pressure should be bumped up.

I've kept the air pressure at 35-37PSI. There is a slow leak from one tire I'm having Costco figure out.

I've showed my dad how to use a pressure gauge but I'm not sure if he's complying.


have them check the bead seal and if needed slap on some bead sealer. this fixed the leak on my Subaru

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#4804217 - 07/03/18 05:18 PM Re: Michelin Defender treadlife issue, again [Re: nthach]
FermeLaPorte Offline


Registered: 07/25/17
Posts: 503
Loc: Texas (south)
(Post paid by Goodyear)
_________________________
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2014 1.6L Nissan Versa Sedan, 5 spd, 5k OCI.
2011 3.5L Chevrolet Impala, Automatic, 5k OCI.

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